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-rw-r--r--libgdm/gdm-client.c1507
1 files changed, 1507 insertions, 0 deletions
diff --git a/libgdm/gdm-client.c b/libgdm/gdm-client.c
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--- /dev/null
+++ b/libgdm/gdm-client.c
@@ -0,0 +1,1507 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2012 Red Hat, Inc.
+ * Copyright (C) 2012 Giovanni Campagna <scampa.giovanni@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib-object.h>
+
+#include "gdm-client.h"
+#include "gdm-client-glue.h"
+#include "gdm-manager-glue.h"
+
+#define SESSION_DBUS_PATH "/org/gnome/DisplayManager/Session"
+
+struct _GdmClient
+{
+ GObject parent;
+
+ GdmUserVerifier *user_verifier;
+ GHashTable *user_verifier_extensions;
+
+ GdmGreeter *greeter;
+ GdmRemoteGreeter *remote_greeter;
+ GdmChooser *chooser;
+
+ char **enabled_extensions;
+};
+
+static void gdm_client_finalize (GObject *object);
+
+G_DEFINE_TYPE (GdmClient, gdm_client, G_TYPE_OBJECT);
+
+static gpointer client_object = NULL;
+
+GQuark
+gdm_client_error_quark (void)
+{
+ static GQuark error_quark = 0;
+
+ if (error_quark == 0)
+ error_quark = g_quark_from_static_string ("gdm-client");
+
+ return error_quark;
+}
+
+static GDBusConnection *
+gdm_client_get_open_connection (GdmClient *client)
+{
+ GDBusProxy *proxy = NULL;
+
+ if (client->user_verifier != NULL) {
+ proxy = G_DBUS_PROXY (client->user_verifier);
+ } else if (client->greeter != NULL) {
+ proxy = G_DBUS_PROXY (client->greeter);
+ } else if (client->remote_greeter != NULL) {
+ proxy = G_DBUS_PROXY (client->remote_greeter);
+ } else if (client->chooser != NULL) {
+ proxy = G_DBUS_PROXY (client->chooser);
+ }
+
+ if (proxy != NULL) {
+ return g_dbus_proxy_get_connection (proxy);
+ }
+
+ return NULL;
+}
+
+static void
+on_got_manager (GObject *object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GdmClient) client = NULL;
+ g_autoptr(GdmManager) manager = NULL;
+ g_autoptr(GError) error = NULL;
+
+ client = GDM_CLIENT (g_async_result_get_source_object (G_ASYNC_RESULT (task)));
+ manager = gdm_manager_proxy_new_finish (result, &error);
+
+ if (error != NULL) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ } else {
+ g_task_return_pointer (task,
+ g_steal_pointer (&manager),
+ (GDestroyNotify) g_object_unref);
+ }
+}
+
+static void
+get_manager (GdmClient *client,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GTask *task;
+
+ task = g_task_new (G_OBJECT (client),
+ cancellable,
+ callback,
+ user_data);
+
+ gdm_manager_proxy_new_for_bus (G_BUS_TYPE_SYSTEM,
+ G_DBUS_PROXY_FLAGS_NONE,
+ "org.gnome.DisplayManager",
+ "/org/gnome/DisplayManager/Manager",
+ cancellable,
+ on_got_manager,
+ task);
+}
+
+typedef struct {
+ GTask *task;
+ GdmUserVerifier *user_verifier;
+} UserVerifierData;
+
+static UserVerifierData *
+user_verifier_data_new (GTask *task, GdmUserVerifier *user_verifier)
+{
+ UserVerifierData *data;
+
+ data = g_slice_new (UserVerifierData);
+ data->task = g_object_ref (task);
+ data->user_verifier = g_object_ref (user_verifier);
+
+ return data;
+}
+
+static void
+user_verifier_data_free (UserVerifierData *data)
+{
+ g_object_unref (data->task);
+ g_object_unref (data->user_verifier);
+ g_slice_free (UserVerifierData, data);
+}
+
+static void
+complete_user_verifier_proxy_operation (GdmClient *client,
+ UserVerifierData *data)
+{
+ g_task_return_pointer (data->task,
+ g_object_ref (data->user_verifier),
+ (GDestroyNotify) g_object_unref);
+ user_verifier_data_free (data);
+}
+
+static void
+maybe_complete_user_verifier_proxy_operation (GdmClient *client,
+ UserVerifierData *data)
+{
+ GHashTableIter iter;
+ gpointer key, value;
+
+ if (client->user_verifier_extensions != NULL) {
+ g_hash_table_iter_init (&iter, client->user_verifier_extensions);
+ while (g_hash_table_iter_next (&iter, &key, &value)) {
+ if (value == NULL)
+ return;
+ }
+ }
+
+ complete_user_verifier_proxy_operation (client, data);
+}
+
+static void
+on_user_verifier_choice_list_proxy_created (GObject *source,
+ GAsyncResult *result,
+ UserVerifierData *data)
+{
+ GdmClient *client;
+ GdmUserVerifierChoiceList *choice_list;
+ g_autoptr(GError) error = NULL;
+
+ client = GDM_CLIENT (g_async_result_get_source_object (G_ASYNC_RESULT (data->task)));
+
+ choice_list = gdm_user_verifier_choice_list_proxy_new_finish (result, &error);
+
+ if (choice_list == NULL) {
+ g_debug ("Couldn't create UserVerifier ChoiceList proxy: %s", error->message);
+ g_hash_table_remove (client->user_verifier_extensions, gdm_user_verifier_choice_list_interface_info ()->name);
+ } else {
+ g_hash_table_replace (client->user_verifier_extensions, gdm_user_verifier_choice_list_interface_info ()->name, choice_list);
+ }
+
+ maybe_complete_user_verifier_proxy_operation (client, data);
+}
+
+static void
+on_user_verifier_extensions_enabled (GdmUserVerifier *user_verifier,
+ GAsyncResult *result,
+ UserVerifierData *data)
+{
+ GdmClient *client;
+ GCancellable *cancellable;
+ GDBusConnection *connection;
+ g_autoptr(GError) error = NULL;
+ size_t i;
+
+ client = GDM_CLIENT (g_async_result_get_source_object (G_ASYNC_RESULT (data->task)));
+ cancellable = g_task_get_cancellable (data->task);
+
+ gdm_user_verifier_call_enable_extensions_finish (user_verifier, result, &error);
+
+ if (error != NULL) {
+ g_debug ("Couldn't enable user verifier extensions: %s",
+ error->message);
+ complete_user_verifier_proxy_operation (client, data);
+ return;
+ }
+
+ connection = g_dbus_proxy_get_connection (G_DBUS_PROXY (user_verifier));
+
+ for (i = 0; client->enabled_extensions[i] != NULL; i++) {
+ g_debug ("Enabled extensions[%lu] = %s", i, client->enabled_extensions[i]);
+ g_hash_table_insert (client->user_verifier_extensions, client->enabled_extensions[i], NULL);
+
+ if (strcmp (client->enabled_extensions[i],
+ gdm_user_verifier_choice_list_interface_info ()->name) == 0) {
+ g_hash_table_insert (client->user_verifier_extensions, client->enabled_extensions[i], NULL);
+ gdm_user_verifier_choice_list_proxy_new (connection,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SESSION_DBUS_PATH,
+ cancellable,
+ (GAsyncReadyCallback)
+ on_user_verifier_choice_list_proxy_created,
+ data);
+ } else {
+ g_debug ("User verifier extension %s is unsupported", client->enabled_extensions[i]);
+ g_hash_table_remove (client->user_verifier_extensions,
+ client->enabled_extensions[i]);
+ }
+ }
+
+ if (g_hash_table_size (client->user_verifier_extensions) == 0) {
+ g_debug ("No supported user verifier extensions");
+ complete_user_verifier_proxy_operation (client, data);
+ }
+
+}
+
+static void
+free_interface_skeleton (GDBusInterfaceSkeleton *interface)
+{
+ if (interface == NULL)
+ return;
+
+ g_object_unref (interface);
+}
+
+static void
+on_user_verifier_proxy_created (GObject *source,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GdmClient *self;
+ GCancellable *cancellable = NULL;
+ g_autoptr(GdmUserVerifier) user_verifier = NULL;
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GError) error = NULL;
+
+ user_verifier = gdm_user_verifier_proxy_new_finish (result, &error);
+ if (user_verifier == NULL) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ g_debug ("UserVerifier %p created", user_verifier);
+
+ self = GDM_CLIENT (g_async_result_get_source_object (G_ASYNC_RESULT (task)));
+ if (self->enabled_extensions == NULL) {
+ g_debug ("no enabled extensions");
+ g_task_return_pointer (task,
+ g_steal_pointer (&user_verifier),
+ (GDestroyNotify) g_object_unref);
+ return;
+ }
+
+ self->user_verifier_extensions = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ NULL,
+ (GDestroyNotify)
+ free_interface_skeleton);
+ cancellable = g_task_get_cancellable (task);
+ gdm_user_verifier_call_enable_extensions (user_verifier,
+ (const char * const *)
+ self->enabled_extensions,
+ cancellable,
+ (GAsyncReadyCallback)
+ on_user_verifier_extensions_enabled,
+ user_verifier_data_new (task, user_verifier));
+}
+
+static void
+on_reauthentication_channel_connected (GObject *source_object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GCancellable *cancellable;
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GDBusConnection) connection = NULL;
+ g_autoptr(GError) error = NULL;
+
+ connection = g_dbus_connection_new_for_address_finish (result, &error);
+ if (!connection) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ cancellable = g_task_get_cancellable (task);
+ gdm_user_verifier_proxy_new (connection,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SESSION_DBUS_PATH,
+ cancellable,
+ on_user_verifier_proxy_created,
+ g_steal_pointer (&task));
+}
+
+static void
+on_reauthentication_channel_opened (GdmManager *manager,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GCancellable *cancellable;
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GError) error = NULL;
+ g_autofree char *address = NULL;
+
+ if (!gdm_manager_call_open_reauthentication_channel_finish (manager,
+ &address,
+ result,
+ &error)) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ cancellable = g_task_get_cancellable (task);
+ g_dbus_connection_new_for_address (address,
+ G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
+ NULL,
+ cancellable,
+ on_reauthentication_channel_connected,
+ g_steal_pointer (&task));
+}
+
+static void
+on_got_manager_for_reauthentication (GdmClient *client,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GCancellable *cancellable;
+ const char *username;
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GdmManager) manager = NULL;
+ g_autoptr(GError) error = NULL;
+
+ manager = g_task_propagate_pointer (G_TASK (result), &error);
+ if (manager == NULL) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ cancellable = g_task_get_cancellable (task);
+ username = g_object_get_data (G_OBJECT (task), "username");
+ gdm_manager_call_open_reauthentication_channel (manager,
+ username,
+ cancellable,
+ (GAsyncReadyCallback)
+ on_reauthentication_channel_opened,
+ g_steal_pointer (&task));
+}
+
+static GDBusConnection *
+gdm_client_get_connection_sync (GdmClient *client,
+ GCancellable *cancellable,
+ GError **error)
+{
+ g_autoptr(GdmManager) manager = NULL;
+ g_autofree char *address = NULL;
+ GDBusConnection *connection;
+ gboolean ret;
+
+ g_return_val_if_fail (GDM_IS_CLIENT (client), NULL);
+
+ connection = gdm_client_get_open_connection (client);
+
+ if (connection != NULL) {
+ return g_object_ref (connection);
+ }
+
+ manager = gdm_manager_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
+ G_DBUS_PROXY_FLAGS_NONE,
+ "org.gnome.DisplayManager",
+ "/org/gnome/DisplayManager/Manager",
+ cancellable,
+ error);
+
+ if (manager == NULL) {
+ return NULL;
+ }
+
+ ret = gdm_manager_call_open_session_sync (manager,
+ &address,
+ cancellable,
+ error);
+
+ if (!ret) {
+ return NULL;
+ }
+
+ g_debug ("GdmClient: connecting to address: %s", address);
+
+ connection = g_dbus_connection_new_for_address_sync (address,
+ G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
+ NULL,
+ cancellable,
+ error);
+
+ return connection;
+}
+
+static void
+on_connected (GObject *source_object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GDBusConnection) connection = NULL;
+ g_autoptr(GError) error = NULL;
+
+ connection = g_dbus_connection_new_for_address_finish (result, &error);
+ if (!connection) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ g_task_return_pointer (task,
+ g_steal_pointer (&connection),
+ (GDestroyNotify) g_object_unref);
+}
+
+static void
+on_session_opened (GdmManager *manager,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GCancellable *cancellable;
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GdmClient) client = NULL;
+ g_autoptr(GError) error = NULL;
+ g_autofree char *address = NULL;
+
+ client = GDM_CLIENT (g_async_result_get_source_object (G_ASYNC_RESULT (task)));
+
+ if (!gdm_manager_call_open_session_finish (manager,
+ &address,
+ result,
+ &error)) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ cancellable = g_task_get_cancellable (task);
+ g_dbus_connection_new_for_address (address,
+ G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
+ NULL,
+ cancellable,
+ on_connected,
+ g_steal_pointer (&task));
+}
+
+static void
+on_got_manager_for_opening_connection (GdmClient *client,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GCancellable *cancellable;
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GdmManager) manager = NULL;
+ g_autoptr(GError) error = NULL;
+
+ manager = g_task_propagate_pointer (G_TASK (result), &error);
+ if (manager == NULL) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ cancellable = g_task_get_cancellable (task);
+ gdm_manager_call_open_session (manager,
+ cancellable,
+ (GAsyncReadyCallback)
+ on_session_opened,
+ g_steal_pointer (&task));
+}
+
+static GDBusConnection *
+gdm_client_get_connection_finish (GdmClient *client,
+ GAsyncResult *result,
+ GError **error)
+{
+ GDBusConnection *connection;
+
+ g_return_val_if_fail (GDM_IS_CLIENT (client), NULL);
+
+ connection = g_task_propagate_pointer (G_TASK (result), error);
+ if (connection == NULL) {
+ return NULL;
+ }
+
+ return connection;
+}
+
+static void
+gdm_client_get_connection (GdmClient *client,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ g_autoptr(GTask) task = NULL;
+ GDBusConnection *connection;
+
+ g_return_if_fail (GDM_IS_CLIENT (client));
+
+ task = g_task_new (G_OBJECT (client),
+ cancellable,
+ callback,
+ user_data);
+
+ connection = gdm_client_get_open_connection (client);
+ if (connection != NULL) {
+ g_task_return_pointer (task,
+ g_object_ref (connection),
+ (GDestroyNotify) g_object_unref);
+ return;
+ }
+
+ get_manager (client,
+ cancellable,
+ (GAsyncReadyCallback)
+ on_got_manager_for_opening_connection,
+ g_steal_pointer (&task));
+}
+
+/**
+ * gdm_client_open_reauthentication_channel_sync:
+ * @client: a #GdmClient
+ * @username: user to reauthenticate
+ * @cancellable: a #GCancellable
+ * @error: a #GError
+ *
+ * Gets a #GdmUserVerifier object that can be used to
+ * reauthenticate an already logged in user. Free with
+ * g_object_unref to close reauthentication channel.
+ *
+ * Returns: (transfer full): #GdmUserVerifier or %NULL if @username is not
+ * already logged in.
+ */
+GdmUserVerifier *
+gdm_client_open_reauthentication_channel_sync (GdmClient *client,
+ const char *username,
+ GCancellable *cancellable,
+ GError **error)
+{
+ g_autoptr(GDBusConnection) connection = NULL;
+ g_autoptr(GdmManager) manager = NULL;
+ g_autofree char *address = NULL;
+ GdmUserVerifier *user_verifier = NULL;
+ gboolean ret;
+
+ g_return_val_if_fail (GDM_IS_CLIENT (client), NULL);
+
+ manager = gdm_manager_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
+ G_DBUS_PROXY_FLAGS_NONE,
+ "org.gnome.DisplayManager",
+ "/org/gnome/DisplayManager/Manager",
+ cancellable,
+ error);
+
+ if (manager == NULL) {
+ return NULL;
+ }
+
+ ret = gdm_manager_call_open_reauthentication_channel_sync (manager,
+ username,
+ &address,
+ cancellable,
+ error);
+
+ if (!ret) {
+ return NULL;
+ }
+
+ g_debug ("GdmClient: connecting to address: %s", address);
+
+ connection = g_dbus_connection_new_for_address_sync (address,
+ G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
+ NULL,
+ cancellable,
+ error);
+
+ if (connection == NULL) {
+ return NULL;
+ }
+
+ user_verifier = gdm_user_verifier_proxy_new_sync (connection,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SESSION_DBUS_PATH,
+ cancellable,
+ error);
+
+ return user_verifier;
+}
+
+/**
+ * gdm_client_open_reauthentication_channel:
+ * @client: a #GdmClient
+ * @username: user to reauthenticate
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied
+ * @user_data: The data to pass to @callback
+ * @cancellable: a #GCancellable
+ *
+ * Gets a #GdmUserVerifier object that can be used to
+ * reauthenticate an already logged in user.
+ */
+void
+gdm_client_open_reauthentication_channel (GdmClient *client,
+ const char *username,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GTask *task;
+
+ g_return_if_fail (GDM_IS_CLIENT (client));
+
+ task = g_task_new (G_OBJECT (client),
+ cancellable,
+ callback,
+ user_data);
+
+ g_object_set_data_full (G_OBJECT (task),
+ "username",
+ g_strdup (username),
+ (GDestroyNotify)
+ g_free);
+
+ get_manager (client,
+ cancellable,
+ (GAsyncReadyCallback)
+ on_got_manager_for_reauthentication,
+ task);
+}
+
+/**
+ * gdm_client_open_reauthentication_channel_finish:
+ * @client: a #GdmClient
+ * @result: The #GAsyncResult from the callback
+ * @error: a #GError
+ *
+ * Finishes an operation started with
+ * gdm_client_open_reauthentication_channel().
+ *
+ * Returns: (transfer full): a #GdmUserVerifier
+ */
+GdmUserVerifier *
+gdm_client_open_reauthentication_channel_finish (GdmClient *client,
+ GAsyncResult *result,
+ GError **error)
+{
+ g_return_val_if_fail (GDM_IS_CLIENT (client), NULL);
+
+ return g_task_propagate_pointer (G_TASK (result), error);
+}
+
+/**
+ * gdm_client_get_user_verifier_sync:
+ * @client: a #GdmClient
+ * @cancellable: a #GCancellable
+ * @error: a #GError
+ *
+ * Gets a #GdmUserVerifier object that can be used to
+ * verify a user's local account.
+ *
+ * Returns: (transfer full): #GdmUserVerifier or %NULL if not connected
+ */
+GdmUserVerifier *
+gdm_client_get_user_verifier_sync (GdmClient *client,
+ GCancellable *cancellable,
+ GError **error)
+{
+ g_autoptr(GDBusConnection) connection = NULL;
+
+ if (client->user_verifier != NULL) {
+ return g_object_ref (client->user_verifier);
+ }
+
+ connection = gdm_client_get_connection_sync (client, cancellable, error);
+
+ if (connection == NULL) {
+ return NULL;
+ }
+
+ client->user_verifier = gdm_user_verifier_proxy_new_sync (connection,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SESSION_DBUS_PATH,
+ cancellable,
+ error);
+
+ if (client->user_verifier != NULL) {
+ g_object_add_weak_pointer (G_OBJECT (client->user_verifier),
+ (gpointer *)
+ &client->user_verifier);
+ if (client->enabled_extensions != NULL) {
+ gboolean res;
+
+ client->user_verifier_extensions = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ NULL,
+ (GDestroyNotify)
+ free_interface_skeleton);
+ res = gdm_user_verifier_call_enable_extensions_sync (client->user_verifier,
+ (const char * const *)
+ client->enabled_extensions,
+ cancellable,
+ NULL);
+
+ if (res) {
+ size_t i;
+ for (i = 0; client->enabled_extensions[i] != NULL; i++) {
+ if (strcmp (client->enabled_extensions[i],
+ gdm_user_verifier_choice_list_interface_info ()->name) == 0) {
+ GdmUserVerifierChoiceList *choice_list_interface;
+ choice_list_interface = gdm_user_verifier_choice_list_proxy_new_sync (connection,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SESSION_DBUS_PATH,
+ cancellable,
+ NULL);
+ if (choice_list_interface != NULL)
+ g_hash_table_insert (client->user_verifier_extensions, client->enabled_extensions[i], choice_list_interface);
+ }
+ }
+ }
+ }
+ }
+
+ return client->user_verifier;
+}
+
+static void
+on_connection_for_user_verifier (GdmClient *client,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GCancellable *cancellable;
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GDBusConnection) connection = NULL;
+ g_autoptr(GError) error = NULL;
+
+ connection = gdm_client_get_connection_finish (client, result, &error);
+ if (connection == NULL) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ cancellable = g_task_get_cancellable (task);
+ gdm_user_verifier_proxy_new (connection,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SESSION_DBUS_PATH,
+ cancellable,
+ on_user_verifier_proxy_created,
+ g_steal_pointer (&task));
+}
+
+/**
+ * gdm_client_get_user_verifier:
+ * @client: a #GdmClient
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied
+ * @user_data: The data to pass to @callback
+ * @cancellable: a #GCancellable
+ *
+ * Gets a #GdmUserVerifier object that can be used to
+ * verify a user's local account.
+ */
+void
+gdm_client_get_user_verifier (GdmClient *client,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ g_autoptr(GTask) task = NULL;
+
+ g_return_if_fail (GDM_IS_CLIENT (client));
+
+ task = g_task_new (G_OBJECT (client),
+ cancellable,
+ callback,
+ user_data);
+
+ if (client->user_verifier != NULL) {
+ g_task_return_pointer (task,
+ g_object_ref (client->user_verifier),
+ (GDestroyNotify) g_object_unref);
+ return;
+ }
+
+ gdm_client_get_connection (client,
+ cancellable,
+ (GAsyncReadyCallback)
+ on_connection_for_user_verifier,
+ g_steal_pointer (&task));
+}
+
+/**
+ * gdm_client_get_user_verifier_finish:
+ * @client: a #GdmClient
+ * @result: The #GAsyncResult from the callback
+ * @error: a #GError
+ *
+ * Finishes an operation started with
+ * gdm_client_get_user_verifier().
+ *
+ * Returns: (transfer full): a #GdmUserVerifier
+ */
+GdmUserVerifier *
+gdm_client_get_user_verifier_finish (GdmClient *client,
+ GAsyncResult *result,
+ GError **error)
+{
+ GdmUserVerifier *user_verifier;
+
+ g_return_val_if_fail (GDM_IS_CLIENT (client), NULL);
+
+ if (client->user_verifier != NULL)
+ return g_object_ref (client->user_verifier);
+
+ user_verifier = g_task_propagate_pointer (G_TASK (result), error);
+ if (user_verifier == NULL)
+ return NULL;
+
+ client->user_verifier = user_verifier;
+
+ g_object_add_weak_pointer (G_OBJECT (client->user_verifier),
+ (gpointer *)
+ &client->user_verifier);
+
+ return user_verifier;
+}
+
+/**
+ * gdm_client_get_user_verifier_choice_list:
+ * @client: a #GdmClient
+ *
+ * Gets a #GdmUserVerifierChoiceList object that can be used to
+ * verify a user's local account.
+ *
+ * Returns: (transfer none): #GdmUserVerifierChoiceList or %NULL if user
+ * verifier isn't yet fetched, or daemon doesn't support choice lists
+ */
+GdmUserVerifierChoiceList *
+gdm_client_get_user_verifier_choice_list (GdmClient *client)
+{
+ if (client->user_verifier_extensions == NULL)
+ return NULL;
+
+ return g_hash_table_lookup (client->user_verifier_extensions,
+ gdm_user_verifier_choice_list_interface_info ()->name);
+}
+
+static void
+on_timed_login_details_got (GdmGreeter *greeter,
+ GAsyncResult *result)
+{
+ gdm_greeter_call_get_timed_login_details_finish (greeter, NULL, NULL, NULL, result, NULL);
+}
+
+static void
+query_for_timed_login_requested_signal (GdmGreeter *greeter)
+{
+ /* This just makes sure a timed-login-requested signal gets fired
+ * off if appropriate.
+ */
+ gdm_greeter_call_get_timed_login_details (greeter,
+ NULL,
+ (GAsyncReadyCallback)
+ on_timed_login_details_got,
+ NULL);
+}
+
+static void
+on_greeter_proxy_created (GObject *source,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GError) error = NULL;
+ GdmGreeter *greeter;
+
+ greeter = gdm_greeter_proxy_new_finish (result, &error);
+ if (greeter == NULL) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ g_task_return_pointer (task,
+ greeter,
+ (GDestroyNotify) g_object_unref);
+
+ query_for_timed_login_requested_signal (greeter);
+}
+
+static void
+on_connection_for_greeter (GdmClient *client,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GCancellable *cancellable;
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GDBusConnection) connection = NULL;
+ g_autoptr(GError) error = NULL;
+
+ connection = gdm_client_get_connection_finish (client, result, &error);
+
+ if (connection == NULL) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ cancellable = g_task_get_cancellable (task);
+ gdm_greeter_proxy_new (connection,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SESSION_DBUS_PATH,
+ cancellable,
+ on_greeter_proxy_created,
+ g_steal_pointer (&task));
+}
+
+/**
+ * gdm_client_get_greeter:
+ * @client: a #GdmClient
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied
+ * @user_data: The data to pass to @callback
+ * @cancellable: a #GCancellable
+ *
+ * Gets a #GdmGreeter object that can be used to
+ * verify a user's local account.
+ */
+void
+gdm_client_get_greeter (GdmClient *client,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ g_autoptr(GTask) task = NULL;
+
+ g_return_if_fail (GDM_IS_CLIENT (client));
+
+ task = g_task_new (G_OBJECT (client),
+ cancellable,
+ callback,
+ user_data);
+
+ if (client->greeter != NULL) {
+ g_task_return_pointer (task,
+ g_object_ref (client->greeter),
+ (GDestroyNotify) g_object_unref);
+ return;
+ }
+
+ gdm_client_get_connection (client,
+ cancellable,
+ (GAsyncReadyCallback)
+ on_connection_for_greeter,
+ g_steal_pointer (&task));
+}
+
+/**
+ * gdm_client_get_greeter_finish:
+ * @client: a #GdmClient
+ * @result: The #GAsyncResult from the callback
+ * @error: a #GError
+ *
+ * Finishes an operation started with
+ * gdm_client_get_greeter().
+ *
+ * Returns: (transfer full): a #GdmGreeter
+ */
+GdmGreeter *
+gdm_client_get_greeter_finish (GdmClient *client,
+ GAsyncResult *result,
+ GError **error)
+{
+ GdmGreeter *greeter;
+
+ g_return_val_if_fail (GDM_IS_CLIENT (client), NULL);
+
+ if (client->greeter != NULL)
+ return g_object_ref (client->greeter);
+
+ greeter = g_task_propagate_pointer (G_TASK (result), error);
+ if (greeter == NULL)
+ return NULL;
+
+ client->greeter = greeter;
+
+ g_object_add_weak_pointer (G_OBJECT (client->greeter),
+ (gpointer *)
+ &client->greeter);
+
+ return greeter;
+}
+
+/**
+ * gdm_client_get_greeter_sync:
+ * @client: a #GdmClient
+ * @cancellable: a #GCancellable
+ * @error: a #GError
+ *
+ * Gets a #GdmGreeter object that can be used
+ * to do do various login screen related tasks, such
+ * as selecting a users session, and starting that
+ * session.
+ *
+ * Returns: (transfer full): #GdmGreeter or %NULL if caller is not a greeter
+ */
+GdmGreeter *
+gdm_client_get_greeter_sync (GdmClient *client,
+ GCancellable *cancellable,
+ GError **error)
+{
+ g_autoptr(GDBusConnection) connection = NULL;
+
+ if (client->greeter != NULL) {
+ return g_object_ref (client->greeter);
+ }
+
+ connection = gdm_client_get_connection_sync (client, cancellable, error);
+
+ if (connection == NULL) {
+ return NULL;
+ }
+
+ client->greeter = gdm_greeter_proxy_new_sync (connection,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SESSION_DBUS_PATH,
+ cancellable,
+ error);
+
+ if (client->greeter != NULL) {
+ g_object_add_weak_pointer (G_OBJECT (client->greeter),
+ (gpointer *)
+ &client->greeter);
+
+ query_for_timed_login_requested_signal (client->greeter);
+ }
+
+ return client->greeter;
+}
+
+static void
+on_remote_greeter_proxy_created (GObject *object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GError) error = NULL;
+ GdmRemoteGreeter *remote_greeter;
+
+ remote_greeter = gdm_remote_greeter_proxy_new_finish (result, &error);
+ if (remote_greeter == NULL) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ g_task_return_pointer (task,
+ remote_greeter,
+ (GDestroyNotify) g_object_unref);
+}
+
+static void
+on_connection_for_remote_greeter (GdmClient *client,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GCancellable *cancellable;
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GDBusConnection) connection = NULL;
+ g_autoptr(GError) error = NULL;
+
+ connection = gdm_client_get_connection_finish (client, result, &error);
+
+ if (connection == NULL) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ cancellable = g_task_get_cancellable (task);
+ gdm_remote_greeter_proxy_new (connection,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SESSION_DBUS_PATH,
+ cancellable,
+ on_remote_greeter_proxy_created,
+ g_steal_pointer (&task));
+}
+
+/**
+ * gdm_client_get_remote_greeter:
+ * @client: a #GdmClient
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied
+ * @user_data: The data to pass to @callback
+ * @cancellable: a #GCancellable
+ *
+ * Gets a #GdmRemoteGreeter object that can be used to
+ * verify a user's local account.
+ */
+void
+gdm_client_get_remote_greeter (GdmClient *client,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ g_autoptr (GTask) task = NULL;
+
+ g_return_if_fail (GDM_IS_CLIENT (client));
+
+ task = g_task_new (G_OBJECT (client),
+ cancellable,
+ callback,
+ user_data);
+
+ if (client->remote_greeter != NULL) {
+ g_task_return_pointer (task,
+ g_object_ref (client->remote_greeter),
+ (GDestroyNotify) g_object_unref);
+ return;
+ }
+
+ gdm_client_get_connection (client,
+ cancellable,
+ (GAsyncReadyCallback)
+ on_connection_for_remote_greeter,
+ g_steal_pointer (&task));
+}
+
+/**
+ * gdm_client_get_remote_greeter_finish:
+ * @client: a #GdmClient
+ * @result: The #GAsyncResult from the callback
+ * @error: a #GError
+ *
+ * Finishes an operation started with
+ * gdm_client_get_remote_greeter().
+ *
+ * Returns: (transfer full): a #GdmRemoteGreeter
+ */
+GdmRemoteGreeter *
+gdm_client_get_remote_greeter_finish (GdmClient *client,
+ GAsyncResult *result,
+ GError **error)
+{
+ GdmRemoteGreeter *remote_greeter;
+
+ g_return_val_if_fail (GDM_IS_CLIENT (client), NULL);
+
+ if (client->remote_greeter != NULL)
+ return g_object_ref (client->remote_greeter);
+
+ remote_greeter = g_task_propagate_pointer (G_TASK (result), error);
+ if (remote_greeter == NULL)
+ return NULL;
+
+ client->remote_greeter = remote_greeter;
+
+ g_object_add_weak_pointer (G_OBJECT (client->remote_greeter),
+ (gpointer *)
+ &client->remote_greeter);
+
+ return remote_greeter;
+}
+
+/**
+ * gdm_client_get_remote_greeter_sync:
+ * @client: a #GdmClient
+ * @cancellable: a #GCancellable
+ * @error: a #GError
+ *
+ * Gets a #GdmRemoteGreeter object that can be used
+ * to do do various remote login screen related tasks,
+ * such as disconnecting.
+ *
+ * Returns: (transfer full): #GdmRemoteGreeter or %NULL if caller is not remote
+ */
+GdmRemoteGreeter *
+gdm_client_get_remote_greeter_sync (GdmClient *client,
+ GCancellable *cancellable,
+ GError **error)
+{
+ g_autoptr(GDBusConnection) connection = NULL;
+
+ if (client->remote_greeter != NULL) {
+ return g_object_ref (client->remote_greeter);
+ }
+
+ connection = gdm_client_get_connection_sync (client, cancellable, error);
+
+ if (connection == NULL) {
+ return NULL;
+ }
+
+ client->remote_greeter = gdm_remote_greeter_proxy_new_sync (connection,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SESSION_DBUS_PATH,
+ cancellable,
+ error);
+
+ if (client->remote_greeter != NULL) {
+ g_object_add_weak_pointer (G_OBJECT (client->remote_greeter),
+ (gpointer *)
+ &client->remote_greeter);
+ }
+
+ return client->remote_greeter;
+}
+
+static void
+on_chooser_proxy_created (GObject *source,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GdmChooser *chooser;
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GError) error = NULL;
+
+ chooser = gdm_chooser_proxy_new_finish (result, &error);
+ if (chooser == NULL) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ g_task_return_pointer (task,
+ chooser,
+ (GDestroyNotify) g_object_unref);
+}
+
+static void
+on_connection_for_chooser (GdmClient *client,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GCancellable *cancellable;
+ g_autoptr(GTask) task = user_data;
+ g_autoptr(GDBusConnection) connection = NULL;
+ g_autoptr(GError) error = NULL;
+
+ connection = gdm_client_get_connection_finish (client, result, &error);
+
+ if (connection == NULL) {
+ g_task_return_error (task, g_steal_pointer (&error));
+ return;
+ }
+
+ cancellable = g_task_get_cancellable (task);
+ gdm_chooser_proxy_new (connection,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SESSION_DBUS_PATH,
+ cancellable,
+ (GAsyncReadyCallback)
+ on_chooser_proxy_created,
+ g_steal_pointer (&task));
+}
+
+/**
+ * gdm_client_get_chooser:
+ * @client: a #GdmClient
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied
+ * @user_data: The data to pass to @callback
+ * @cancellable: a #GCancellable
+ *
+ * Gets a #GdmChooser object that can be used to
+ * verify a user's local account.
+ */
+void
+gdm_client_get_chooser (GdmClient *client,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ g_autoptr(GTask) task = NULL;
+
+ g_return_if_fail (GDM_IS_CLIENT (client));
+
+ task = g_task_new (G_OBJECT (client),
+ cancellable,
+ callback,
+ user_data);
+
+ if (client->chooser != NULL) {
+ g_task_return_pointer (task,
+ g_object_ref (client->chooser),
+ (GDestroyNotify) g_object_unref);
+ return;
+ }
+
+ gdm_client_get_connection (client,
+ cancellable,
+ (GAsyncReadyCallback)
+ on_connection_for_chooser,
+ g_steal_pointer (&task));
+}
+
+/**
+ * gdm_client_get_chooser_finish:
+ * @client: a #GdmClient
+ * @result: The #GAsyncResult from the callback
+ * @error: a #GError
+ *
+ * Finishes an operation started with
+ * gdm_client_get_chooser().
+ *
+ * Returns: (transfer full): a #GdmChooser
+ */
+GdmChooser *
+gdm_client_get_chooser_finish (GdmClient *client,
+ GAsyncResult *result,
+ GError **error)
+{
+ GdmChooser *chooser;
+
+ g_return_val_if_fail (GDM_IS_CLIENT (client), NULL);
+
+ if (client->chooser != NULL)
+ return g_object_ref (client->chooser);
+
+ chooser = g_task_propagate_pointer (G_TASK (result), error);
+ if (chooser == NULL)
+ return NULL;
+
+ client->chooser = chooser;
+
+ g_object_add_weak_pointer (G_OBJECT (client->chooser),
+ (gpointer *)
+ &client->chooser);
+
+ return chooser;
+}
+
+/**
+ * gdm_client_get_chooser_sync:
+ * @client: a #GdmClient
+ * @cancellable: a #GCancellable
+ * @error: a #GError
+ *
+ * Gets a #GdmChooser object that can be used
+ * to do do various XDMCP chooser related tasks, such
+ * as selecting a host or disconnecting.
+ *
+ * Returns: (transfer full): #GdmChooser or %NULL if caller is not a chooser
+ */
+GdmChooser *
+gdm_client_get_chooser_sync (GdmClient *client,
+ GCancellable *cancellable,
+ GError **error)
+{
+ g_autoptr(GDBusConnection) connection = NULL;
+
+ if (client->chooser != NULL) {
+ return g_object_ref (client->chooser);
+ }
+
+ connection = gdm_client_get_connection_sync (client, cancellable, error);
+
+ if (connection == NULL) {
+ return NULL;
+ }
+
+ client->chooser = gdm_chooser_proxy_new_sync (connection,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ SESSION_DBUS_PATH,
+ cancellable,
+ error);
+
+ if (client->chooser != NULL) {
+ g_object_add_weak_pointer (G_OBJECT (client->chooser),
+ (gpointer *)
+ &client->chooser);
+ }
+
+ return client->chooser;
+}
+
+static void
+gdm_client_class_init (GdmClientClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = gdm_client_finalize;
+}
+
+static void
+gdm_client_init (GdmClient *client)
+{
+}
+
+static void
+gdm_client_finalize (GObject *object)
+{
+ GdmClient *client;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GDM_IS_CLIENT (object));
+
+ client = GDM_CLIENT (object);
+
+ g_return_if_fail (client != NULL);
+
+ if (client->user_verifier != NULL) {
+ g_object_remove_weak_pointer (G_OBJECT (client->user_verifier),
+ (gpointer *)
+ &client->user_verifier);
+ }
+
+ if (client->greeter != NULL) {
+ g_object_remove_weak_pointer (G_OBJECT (client->greeter),
+ (gpointer *)
+ &client->greeter);
+ }
+
+ if (client->remote_greeter != NULL) {
+ g_object_remove_weak_pointer (G_OBJECT (client->remote_greeter),
+ (gpointer *)
+ &client->remote_greeter);
+ }
+
+ if (client->chooser != NULL) {
+ g_object_remove_weak_pointer (G_OBJECT (client->chooser),
+ (gpointer *)
+ &client->chooser);
+ }
+
+ g_strfreev (client->enabled_extensions);
+
+ G_OBJECT_CLASS (gdm_client_parent_class)->finalize (object);
+}
+
+GdmClient *
+gdm_client_new (void)
+{
+ if (client_object != NULL) {
+ g_object_ref (client_object);
+ } else {
+ client_object = g_object_new (GDM_TYPE_CLIENT, NULL);
+ g_object_add_weak_pointer (client_object,
+ (gpointer *) &client_object);
+ }
+
+ return GDM_CLIENT (client_object);
+}
+
+
+/**
+ * gdm_client_set_enabled_extensions:
+ * @client: a #GdmClient
+ * @extensions: (array zero-terminated=1) (element-type utf8): a list of extensions
+ *
+ * Enables GDM's pam extensions. Currently, only
+ * org.gnome.DisplayManager.UserVerifier.ChoiceList is supported.
+ */
+void
+gdm_client_set_enabled_extensions (GdmClient *client,
+ const char * const *extensions)
+{
+ client->enabled_extensions = g_strdupv ((char **) extensions);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 17:48:50 +0000